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Why Personal Notes and Blogs Still Have Value in the Age of AI

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As large language models make information instantly accessible, some question whether maintaining personal notes or publishing blogs remains worthwhile. A software professional with over six years of experience and more than 4,000 personal notes explored this question after noticing traditional note-keeping habits being challenged by AI tools. Inspired by AI researcher Andrej Karpathy's concept of an LLM-maintained wiki, the author began building a personal knowledge-base system powered by AI agents. The system treats knowledge as an interconnected network — similar to neurons — where notes classify, support, and sometimes contradict one another across disciplines. The author argues that this "fermentation" of knowledge over time, producing new insights and connections, is precisely what gives personal notes and blogs enduring value beyond what AI alone can provide.

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Why Personal Notes and Blogs Still Have Value in the Age of AI · ShortSingh